ICS/SCADA Cybersecurity — Question 24

What is the size in bytes of the TCP sequence number in the header?

Answer options

• A. 2
• B. 1
• C. 3
• D. 4

Correct answer: D

Explanation

The TCP sequence number is 32 bits long, which translates to 4 bytes in size. Options A, B, and C do not reflect the correct byte size for the TCP sequence number, as they are all smaller than the actual size.